Tropheryma whipplei, Molecular Detection, PCR, Blood

Whipples Disease Associated Bacillus (Tropheryma whipplei) DNA Detection-PCR

Test Codes

EPIC: LAB1232162, Beaker: Trophery PCR, Quest: 11352

Department

Send Outs

Specimen Collection Criteria

Collect: One Lavender-top EDTA tube.

Send specimen for processing immediately after collection. 

Physician Office/Draw Specimen Preparation

Do not centrifuge specimen. Maintain whole blood specimen frozen (-20°C/-4°F or below) in original collection tube prior to transport.

Preparation for Courier Transport

Transport: 1.0 mL whole blood in original collection tube, frozen (-20°C/-4°F or below). (Minimum: 0.5 mL)

Rejection Criteria

Specimens not collected and processed as indicated.

In-Lab Processing

Do not centrifuge specimen. Maintain whole blood specimen frozen (-20°C/-4°F or below) in original collection tube prior to transport.

Transport: 1.0 mL whole blood in original collection tube, frozen (-20°C/-4°F or below). (Minimum: 0.5 mL)

Storage

Specimen Stability for Testing:

Room Temperature (20-26°C or 68-78.8°F): 48 hours
Refrigerated (2-8°C or 36-46°F): 7 days
Frozen (-20°C/-4°F or below): 30 days

Specimen Storage in Department Prior to Disposal:

Specimen retention time is determined by the policy of the reference laboratory. Contact the Send Outs Laboratory with any questions.

Laboratory

Sent to Quest Diagnostics, Wood Dale, IL.

Performed

Monday – Friday.
Results available in 3-5 days.

Reference Range

Not detected.

Test Methodology

Real-Time Polymerase Chain Reaction (RT-PCR)

Interpretation

By report.

Clinical Utility

This assay is useful for the diagnosis of Whipple's disease associated bacillus (Tropheryma whipplei) infection.

CPT Codes

87798

Contacts

Last Updated

12/17/2025